About the Authors

Haruo Sugi

sugi@kyf.biglobe.ne.jp

Affiliation Department of Physiology, School of Medicine, Teikyo University, Tokyo, Japan

Maki Yamaguchi

Affiliation Department of Physiology, Jikei University School of Medicine, Tokyo, Japan

Tetsuo Ohno

Affiliation Department of Physiology, Jikei University School of Medicine, Tokyo, Japan

Takakazu Kobayashi

Affiliation Department of Electronic Engineering, Shibaura Institute of Technology, Tokyo, Japan

Shigeru Chaen

Affiliation Department of Integrated Sciences in Physics and Biology, College of Humanities and Science, Nihon University, Tokyo, Japan

Hiroshi Okuyama

Affiliation Department of Physiology, Jikei University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HS. Investigation: SC MY TO TK HO HS. Methodology: TK HS. Writing – original draft: HS.